There’s no doubt about it: 2010 was the Year of the e-Book, the year when devices like the Kindle and Nook stopped being luxuries or oddities and started becoming the norm. But 2010 was an inflection point–not a starting point, and not an endpoint–in the journey of the electronic books. The dream of reading books electronically dates back decades, and, as this slideshow illustrates, the many forms that electronic reading might take are still gleams in a few visionary designers’ eyes.